IOS UUID

- (NSString *)createUUID


{
// Create universally unique identifier (object)


CFUUIDRef uuidObject = CFUUIDCreate(kCFAllocatorDefault);


// Get the string representation of CFUUID object.


NSString *uuidStr = [(NSString *)CFUUIDCreateString(kCFAllocatorDefault, uuidObject) autorelease];


// If needed, here is how to get a representation in bytes, returned as a structure


// typedef struct {


// UInt8 byte0;


// UInt8 byte1;


// ...


// UInt8 byte15;


// } CFUUIDBytes;


CFUUIDBytes bytes = CFUUIDGetUUIDBytes(uuidObject);

CFRelease(uuidObject);

return uuidStr;

}